package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;


@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;

    @Override
    public Result order(Map map) throws Exception {
        //检查当前日期是否有预约设置
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if (orderSetting == null) {//当前日期没有体验设置
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //检查预约人数是否已满
        int reservations = orderSetting.getReservations();
        int number = orderSetting.getNumber();
        if (number <= reservations) {//预约人数已满
            return new Result(false, MessageConstant.ORDER_FULL);
        }
        //检查当前用户是否为会员
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if (member != null) {
            //会员id
            Integer memberId = member.getId();
            //套餐id
            String setmealId = (String) map.get("setmealId");
            Order order = new Order(memberId, date, null, null, Integer.parseInt(setmealId));
            //查询订单里面是否有该对象和订单， 有则重复预约
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0) {//已经重复预约
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }
        //预约完成，预约人数+1
        orderSetting.setReservations(orderSetting.getReservations() + 1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        //当前用户不是会员，加入会员
        if (member == null) {
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            memberDao.add(member);//自动完成会员注册
        }
        //保存预约信息到预约表
        Order order = new Order(member.getId(), date, (String) map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String)
                map.get("setmealId")));
        orderDao.add(order);
        return new Result(true, MessageConstant.ORDER_SUCCESS,order.getId());
        //防止重复预约
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if (map != null) {
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate", DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
